U.S. Department of Energy - Energy Efficiency and Renewable Energy
Alternative Fuels and Advanced Vehicles Data Center
Hybrid Electric Vehicle Components
A hybrid electric vehicle (HEV) employs an optimized mix of various components. View a typical hybrid configuration in the diagram and learn more about the various HEV components by following the links below.
Hybrid Electric Vehicle Drivetrain Component and System Details
- Electric traction motors and controllers
- Energy storage systems, including batteries and ultracapacitors
- Power units and transmissions, including spark ignition engines, compression-ignition and direct-injection (diesel) engines, gas turbines, and fuel cells
- Energy management and systems control